Ghost Whisperer (2005)

S4E13 Body of Water

When a hidden mass grave is discovered beneath the surface of a nearby lake, it unleashes a wave of restless spirits fixated on one individual. Melinda is called upon to confront the unsettling presence that now looms over him. As she delves into the mystery, she must navigate the intertwined fates of the past and present to bring peace to the tormented souls.