The ransom paid by Jesus Christ, through His suffering in Gethsemane and His death on the cross, which nullifies the effects of sin. Christ’s atonement allows everyone to be resurrected. For those who repent of their sins, it also opens the way to continued growth and progression through the eternities.
Watch this video produced by The Church of Jesus Christ of Latter-day Saints to learn about how Christ's atonement can heal, change, and purify.