follow in (one's) tracks
To pursue something that someone else (often a family member) has already done. My father was an engineer, and I plan to follow in his tracks and study engineering in college. I am following in my sister's tracks and joining her old sorority.
follow in someone's tracks
and follow in someone's footstepsto follow someone's example; to assume someone else's role or occupation. The vice president was following in the president's footsteps when he called for budget cuts. She followed in her father's footsteps and went into medicine.