@deborah_b, admitting complicity to a crime is difficult to do without finding yourself in legal trouble.

All in all, I think the premise is good, but if this is to be a “coming of age” story, there are constraints on the timelines. For example, if her father’s crimes were “terrible” then he would have been in jail so long that it is hard to understand how she is still a teenager. Suppose he served 10 years, then she would have been seven or eight when he went to jail. Subtract at least six months from conviction to get the arrest date along with a few months between crime and arrest, and you have a little girl who was not legally or morally accountable. Any secrets her father may have reflect more on him for using a child in his crimes than on any guilt she bears.

Your original logline had the girl’s father still in prison. Despite some of the earlier comments, this gives more possibilities as she might have been 15 when when she helped him and therefore in a position where she could be blackmailed. All the father needs to blackmail her is an accomplice on the outside.

Also, your original logline had a love interest. This has more emotional potential than “everyone she loves”. Who are these other people? After the father’s conviction, the family probably cracked under the strain and her friends abandoned her so love is in short supply. How does her father’s status stand in the way of her relationship? Perhaps her lover or the lover’s family is aghast to learn she is the daughter of a convict serving a long sentence for a “terrible crime”.

There are plenty of stories with high emotional impact here, you just need to turn the premise over in your mind a bit more to find them.