Unbearable tension punctuates this dark drama about a pair of grieving parents searching for their missing son in Thailand following the 2004 tsunami. Paul (Rufus Sewell) and Jeanne (Emmanuelle Béart) were building an orphanage when the tsunami hit and their son's body was never recovered. After seeing a boy who resembles their son on a video made by Burmese kidnappers, the couple recruit a local outlaw as a guide and venture into forbidden territory to search for him.