Film: Searching, Film4, 9pm

Premiere. When his 16-year-old daughter Margot disappears from her California home, and a police investigation yields few results, David Kim (John Cho, above) decides to explore her laptop. He contacts her friends in the hope of gleaning some information regarding her location, and discovers a secret about her piano lessons that could be a vital key to the puzzle. Thriller, co-starring Debra Messing.