The team looks into the murder of a state's women's volleyball coach, and learn the bad news about Kono; Chin Ho tries to reconnect with Malia.
Adam is tackling an assignment aimed at tearing down organised crime on the island but the chlorine gas bait he uses to nab a kingpin is acquired by the wrong side; Adam has doubts about Jessie.
Magnum is hired by a woman to prove that her son didn't kill his girlfriend and has only 24 hours before the accused accepts a plea deal; Rick and TC try to recover stolen appliances that were donated to a wounded veteran.