For Earp, a snowball effect takes place that makes his return to the law inevitable.
Therein lies their importance to the story of Wyatt Earp in the movie.
Morgan goes along with Virgil, and even becomes his deputy once he dons the mantle of marshal.
Tombstone chronicles legendary marshal Wyatt Earp and his brothers as they seek fortune in a prosperous mining town. Forced to confront a gang threatening the community, Earp joins forces with the infamous Doc Holliday, highlighting a tense battle between lawmen and outlaws in the American West.