After his loss to Goku, Brolly crash lands and hibernates on earth. After some time, he is awakened by Trunks and Goten, who Brolly believes is Kakarott, and goes on a rampage to kill both of them. At the same time, Gohan is on his way to challenge the Legendary Super Saiyan alone.
Read more at http://myanimelist.net/anime/903/Dragon_Ball_Z_Movie_10:_Kiken_na_Futari!_Super_Senshi_wa_Nemurenai#LedzPEjHEahtbr0R.99
