Team Scorpion enlists the help of a musician who created a controversial algorithm that generates hit songs to help find the murderer of a music blogger. Meanwhile, Drew asks Walter to help him connect with his son.

When a military plane is shot down in Bosnia, Team Scorpion must help recover its stealth technology before it falls into enemy hands. Meanwhile, Walter's sister takes a break from her MS treatment and spends time at the garage with Sylvester.