Complex sentence: Willie manages to hack into the O.N.E. 's security system but it sends the O.N.E. agents on Stone and Spino, and so they have to go to the hater's hideout to try the disc.
Split into simpler sentences: Willie manages to hack into the O.N.E. 's security system, but it sets the O.N.E. agents on Stone and Spino. They escape to the hater's hideout to try the disc.