A gifted cellist returns home to Los Angeles after 20 years on the road. Music, which has been the constant, all-consuming river of his life, begins to carry him on an adventure that will change him forever.

Landing in jail for a petty theft crime, Alvin finds himself sharing a cell with John Jaster, the incarcerated half of the pair of high-tech thieves responsible for the missing gold. His partner, Bristol, is still at large. Alvin wants only to get out of prison and start fresh with his girlfriend, Lisa, and when the Feds, led by U.S. Treasury investigator Clenteen, set him loose on a sketchy deal, he thinks his luck has changed. Alvin has his freedom and the Feds have found their bait.

In 1980s Beirut, Mason Skiles is a former U.S. diplomat who is called back into service to save a colleague from the group that is possibly responsible for his own family's death. Meanwhile, a CIA field agent who is working under cover at the American embassy is tasked with keeping Mason alive and ensuring that the mission is a success.