Cowboy Bebop: Knockin' on Heaven's Door

In 2071, the Martian city of Alba City is preparing to welcome Halloween. A tanker truck suddenly explodes on a highway, and people in the vicinity begin collapsing with mysterious symptoms, resulting in a tragic incident with over 400 casualties. The police suspect this may be a terrorist attack using an unknown biochemical weapon, and the Martian government offers a bounty of 300 million woolongs for information leading to the culprit. Meanwhile, Faye, who is tracking a hacker suspect named Lee Shan-Sen involved in another credit card fraud case, unexpectedly captures footage of a man with a tattoo on his palm at the scene of the explosion. Chasing the 300 million woolong reward, the crew of the Bebop—four humans and one dog—begins searching for the man...