TBT: How Alcohol And Addiction Doomed The Relationship Between Martha Plimpton And River Phoenix

Phoenix and Plimpton’s teen romance was tragically all too brief.

Teenaged Martha Plimpton leaning on a boat's rail while teenaged River Phoenix hangs his arms over a rope and speaks to her
Actress Martha Plimpton and actor River Phoenix on the set of Warner Bros. movie "The Mosquito Coast" in 1986. (Michael Ochs Archives/Getty Images