Baywatch S04E06 - Tentacles (2)

Stephanie's younger sister, Caroline, arrives in town for a visit with exciting news: she's engaged. But her fiancé, an environmental investigator, has a near-fatal diving accident that shatters her joy. Was it an accident or attempted murder? After Mitch performs surgery on an ex-con while still a hostage, he finds himself at the mercy of the wounded but dangerous man.