From Cradle to Grave (2018)

Juliette is attending the baptism of Lucas, the son of her best friend Claire. But the young mother, weakened by her childbirth, shows disturbing signs of depression. The day after the ceremony, Juliette receives a desperate phone call from Claire: Jérôme, her husband, and their baby have been murdered - and she has just confessed to the crime. Has she gone crazy? Juliette drops everything to go to her friend, whom she can't believe has become a criminal.