Vanished by the Lake(2015)

Original title: Le Mystère du lac

Homicide Detective Lise returns to her hometown for the first time since a local tragedy shattered her teens. Tragedy strikes again when a teenage girl vanishes under circumstances that mirror the disappearance of Lise's two best friends, Ana and Marion, fifteen years earlier: an unsolved case. Convinced there is a connection, Lise is determined to find the missing girl and answers to the past.