SmallvilleS05E12 Synopsis

Clark takes Lana to the fortress and tells her the truth about his alien identity, then proposes to her.Lana is surprised at first, but accepts the proposal after having a conversation with Lois.At the party,where everyone is celebrating Jonathon's victory in the election of state senate, Lana is there too, before heading to Lex's mansion after receiving a message from him. Lex finds out that Lana has been engaged to Clark when he sees the ring on her finger, much to his frustration.Lana believes that Lex is drunk, and she leaves.Lex would not let it go, and he pursues her before they are both being hit by a truck.Clark runs to the scene and sees Lana lying in a pool of blood lifeless,
he decides to do anything to bring her back, so he goes to the fortress and it reveals that there is one way to do so.He grabs a ice bar which brings him back to the loft where Clark was about to tell Lana the truth, then he sees Lana coming in, but this time, he knows that he can't put her life at risk again.Some things are happening like before, and others are not.Clark successfully prevents the truck from hitting Lana's car, thus saving her life.Jonathon is seen driving his car, passing by the scene of the accident.It is then revealed that he is on his way to confront Lionel Luther at the barn.After a argument between them, Jonathon has a heart attack which costs his life.At the funeral, Lana is seen holding hand with Clark, but she leaves shortly.Clark and his mother grieve the loss of their family.