Yusuf obtained a copy of the construction plans from a frightened worker.
They showed hotel foundations, pools, and a service tunnel cutting through the old cave.
Beside it were the words:
**VOID TO BE STABILISED BEFORE PHASE TWO.**
“Void,” Yusuf said.
“They called a grave empty.”
Leila applied for an emergency stop order.
“We do not have time,” Rehema said.
“The great tide is tomorrow night.”
“And if I enter without authority, Farid will claim police damaged the site and the evidence.”
“Hamisi is inside.”
“That is why I need the case to survive after we find him.”
While Leila worked, Rehema and Yusuf used a mangrove route to reach the sea entrance at low water.
Fresh drilling marks surrounded the opening. Hoses, cables, and boot prints led inside.
“We have thirty minutes before the tide returns,” Yusuf said.
Rehema lowered a microphone.
Drops echoed.
Then Hamisi's melody.
It changed slightly each time. A living source, not a loop.
She almost called his name.
Yusuf stopped her.
Rehema sang the melody instead.
Two short phrases. One long.
Hamisi answered.
“He's alive.”
The first passage had collapsed. Water began moving around their ankles.
Rehema placed a recorder in the crack.
“We will come tomorrow. Do not answer any voice.”
Hamisi said, “It does not know all of me.
I said I was here. I never gave my full name.”
Then Salma's voice breathed beside Rehema's ear.
“You left me eighteen years ago.”
She turned.
No one.
They stayed at the cave entrance longer than Yusuf wanted. Rehema placed three microphones at different positions.
The slight delay between Hamisi's signals suggested a higher chamber behind the collapsed passage.
“The great tide reaches this mark tomorrow,” Yusuf said, pointing to salt high on the limestone. “The upper chamber will be the final air pocket.”
Rehema struck the wall and measured the echo. At least two branches lay beyond it: one beneath the resort, another toward the sea.
“Can you take me through the sea route at low water?”
“It is narrow.
If the current changes, we do not come back.”
“He is inside.”
“Yes. And if you enter without a plan, he will have two people to rescue.”
From the darkness, Hamisi gave the childhood signal again. This time a child's voice completed the last note.
Rehema tested him with a private memory.
“What did you break the first time I left for Nairobi?”
“Bibi's clock. You blamed me until I confessed.”
It was him.
“Are you hurt?”
“Head. Leg. I cannot see well.”
“Anyone else with you?”
“Kassim. He followed me in. Sometimes he breathes.
Sometimes the voice uses his mouth.”
Leila now had a second endangered person and stronger grounds for an emergency order.
Hamisi said names were scratched into the cave wall. Bibi's name appeared in a section marked for guardians, not the dead.
“Is Salma's name there?”
Rehema asked.
Static rose.
Salma's voice answered, “It is beside me.”
Rehema closed her mouth.
She did not say Mama.
She did not say she was there.
As the tide turned, she left a waterproof recorder inside the crack, programmed to send a short pulse rather than speech.
Three minutes after their boat moved away, the signal stopped.
Then Yusuf's radio carried Hamisi's breath.
“Do not return through this entrance,” he said.
“They have prepared it to explode.”
Back on the boat, Rehema analysed the recording.
Beneath Hamisi and Salma, a woman screamed in labour.
After a baby's cry, someone spoke a name.
The beginning was buried in noise.
The ending survived.
“…binti Bahati.”
The thirty-second child's name was close.
Across the water, Bahari Crown machinery moved toward the cave.
Farid's vehicle carried boxes of construction explosives.
Evidentiary details presented throughout chapter 11 reinforced the core position of the primary stakeholders involved.